Embarcadero Red Ball

April 9, 2013 10:32 AM

Photo: Paul Chinn/The Chronicle

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A woman stares at a giant inflatable ball perched overhead as she leaves the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

A woman stares at a giant inflatable ball perched overhead as she leaves the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art ... more

Pedestrians walk past a giant inflatable ball at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

Pedestrians walk past a giant inflatable ball at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the ... more

Laura Weyl tries to nudge a 15-foot inflatable ball at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

Laura Weyl tries to nudge a 15-foot inflatable ball at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the ... more

Isabel Archer reaches out to touch a 15-foot inflatable ball wedged into a stairway at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

Isabel Archer reaches out to touch a 15-foot inflatable ball wedged into a stairway at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball ... more

Commuters gaze at a 15-foot inflatable ball wedged into a stairway at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

Commuters gaze at a 15-foot inflatable ball wedged into a stairway at the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art ... more

A woman appears unaware of a 15-foot inflatable ball as she leaves the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art installation to the station for the day to entertain and amuse commuters as they arrived and departed. less

A woman appears unaware of a 15-foot inflatable ball as she leaves the Embarcadero BART station in San Francisco, Calif. on Tuesday, April 9, 2013. Artist Kurt Perschke brought his Red Ball Project art ... more

Photo: Paul Chinn, The Chronicle

A woman appears unaware of a 15-foot inflatable ball as she leaves... Photo-4444533.60034 - seattlepi.com